$6)$ A truck is using a hook to tow a car whose mass is one$-$third that of the truck. If the force exerted by the truck on the car is $4500$ N $,$ then the force exerted by the dar on the truck is

A$)1500$ N

B$)9000$ N

C$)4500$ N

D$)13500$ N

E$)$ We need to know if the car is accelerating to answer this question.